Image source: Internet In Linux systems, there are many performance monitoring tools. Below, I will introduce several commonly used command-line tools. 1. top/htop top: Function: Real-time monitoring of processes, displaying information about CPU, memory, load, swap space, etc. Common Shortcuts: Shortcut Description M Sort by memory usage P Sort by CPU usage k Kill a … Read more
Introduction Mastering system monitoring commands is a fundamental skill for Linux operation and maintenance. This note aims to organize and summarize commonly used monitoring commands along with their core functions and practical scenarios, facilitating quick review and learning to enhance system management and troubleshooting efficiency. 1. Comprehensive Performance Monitoring (CPU, Memory, Load) 1.<span>top</span> •Core Function: … Read more
The Cortex-X925 core is a high-performance and low-power product that implements the Armv9.2-A architecture. The Armv9.2-A architecture extends the Armv8-A architecture and fully supports the Armv8.7-A version.The Cortex-X925 core is implemented within the DSU-120 DynamIQ cluster. It connects to the DynamIQ DSU120, which serves as a complete interconnect system with L3 cache and snoop control … Read more
In distributed system development, recurring cross-cutting concerns (such as logging, monitoring, security, etc.) often become a major source of code redundancy. This article shares five core techniques for using Spring AOP in a Spring Boot distributed architecture, based on real project experience, to help you improve code quality and development efficiency. 1. Distributed Log Tracking: … Read more
1. Simplified Explanation of Core Principles The essence of a decorator is to “add extra functionality to a function without modifying its original code”. It can be understood as giving a function an “outer garment”: Original Function: like a person (core functionality) Decorator: like an outer garment (new features, such as warmth, waterproofing) After using … Read more
HttpReports is an APM monitoring system developed based on .NET Core, using the MIT open-source license. Its main features include statistics, analysis, visualization, monitoring, and tracing, making it suitable for use in microservice environments. Official website: https://www.yuque.com/httpreports/docs/uyaiil Main Features API Call Metrics Analysis Multi-Service Node Data Aggregation Analysis Slow Request and Error Request Analysis API … Read more
Table of Contents L1 Instruction Memory System Instruction Decode Register Rename Instruction Issue Integer Execute Vector Execute Advanced SIMD and Floating-Point Support Cryptographic Extension Scalable Vector Extension L1 Data Memory System Memory Management Unit L2 Memory System Embedded Trace Extension and Trace Buffer Extension Statistical Profiling Extension Performance Monitoring Unit Activity Monitoring Unit GIC CPU … Read more
Abstract In response to the limited fault diagnosis and performance monitoring capabilities of the satellite Power Control Unit (PCU), a test design was conducted on a certain satellite’s power control unit, establishing an on-orbit fault diagnosis and performance monitoring system based on Built-In Test (BIT) technology. The BIT consists of 3 simulation boards and 1 … Read more
↓Recommended Follow↓ Network Models: Common models include the OSI network model, TCP/IP network model, and the five-layer protocol network model: The OSI seven-layer network model splits the application layer of the traditional five-layer TCP model into the application layer, presentation layer, and session layer. Application Layer: Responsible for providing a unified interface for applications. Presentation … Read more
Click the “Blue WeChat Name” below the title to quickly follow This article from the technical community, “Linux Server Performance Parameter Indicators“, explains the reference for Linux server performance parameter indicators. When troubleshooting performance issues, you can make some preliminary judgments based on the data obtained from these commands, which is worth learning and understanding. … Read more